Here's a gem from one of the slack-jawed mouth-breathers at Yahoo! Answers:

Originally Posted by Rock of the OL

This has to be a joke.

Brock Lesnar is a wrestler and a MMA fighter.

Bruce Lee was trained in many forms of Karate and Kung Fu.

Brock Lesnar is in a sport that is no way interpreted in to a real life fight situation. Although he has the attitude of a to the death fight, Bruce Lee was trained in forms of martial arts that taught to kill the opponnent after he had been defeated.

Bottom Line Bruce Lee's quickness and power combined with his knowledge and skill of martial arts would deem him the most dangerous man in hand to hand combat.